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Recognised as Colour

#BB471D

  • #BB471D
  • Orange
  • Dark
  • Nearest: Chocolate

#BB471D is a orange with RGB values 187, 71, 29 and HSL 16°, 73%, 42%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#BB471D#BB471D
HEX#BB471D
RGBrgb(187, 71, 29)
RGB (0–1)0.7333, 0.2784, 0.1137
RGB percentages73.3%, 27.8%, 11.4%
HSLhsl(15.9, 73.1%, 42.4%)
HSV / HSBhsv(15.9, 84.5%, 73.3%)
CMYK0%, 62%, 84.5%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,273,437
CSS custom property--colour: #BB471D;

Brightness & contrast

Relative luminance0.1516WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.21:1
Contrast with white5.21:1WCAG normal text: AA
Contrast with black4.03:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#44B8E2

Colour vision & accessibility

Protanopia#685C16no red cones; affects about 1% of men; ΔE 49.4 from the original
Deuteranopia#857617no green cones; the most common form, about 1% of men; ΔE 49.5 from the original
Tritanopia#CE283Fno blue cones; rare, and affects men and women equally; ΔE 25.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.21:1WCAG large text: AAA
Contrast with black, large text4.03:1WCAG large text: AA

Named colours

Nearest named CSS colourChocolate (#D2691E)ΔE 16.02, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1D91BB
Analogous#BB1D42, #BB961D
Triadic#1DBB47, #471DBB
Split complementary#1DBB96, #1D42BB
Tetradic#42BB1D, #1D91BB, #961DBB

Tints, shades & saturation

Lighter +40%#F3C3B1
Lighter +30%#ECA085
Lighter +20%#E57E59
Lighter +10%#DE5C2D
Darker −10%#8F3616
Darker −20%#63250F
Darker −30%#371508
Darker −40%#0A0402
More saturated +25%#D63A02
Less saturated −25%#A05438

Channel breakdown

R187
G71
B29
Red187 (73.3%)
Green71 (27.8%)
Blue29 (11.4%)
Hue15.95°
Saturation (HSL)73.15%
Lightness42.35%
Dominant channelRed
Hex per channelR BB · G 47 · B 1D

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Every value on this page was computed from “bb471d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.